:root {
  --bg: #1A1D1E;
  --surface: #24282A;
  --surface-2: #2C3133;
  --line: #33383A;
  --text: #EDEDED;
  --muted: #8A8F91;
  --accent: #F2B705;
  --accent-dim: #7A5E03;
  --success: #34C77B;
  --danger: #E5484D;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font-family: var(--font-body);
  overscroll-behavior: none;
  user-select: none;
}

.view {
  position: fixed; inset: 0;
  display: none;
  background: var(--bg);
}
.view.active { display: block; }

/* ---------- Top / bottom chrome ---------- */
.top-bar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: max(14px, env(safe-area-inset-top)) 16px 14px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.55), transparent);
  z-index: 5;
}
.brand {
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  letter-spacing: 0.06em;
}
.brand-accent { color: var(--accent); }
.view-title { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }

.bottom-bar {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px max(22px, env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  z-index: 5;
}

.icon-btn {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(36,40,42,0.8);
  color: var(--text);
  display: flex; align-items: center; justify-content: center;
}
.icon-btn:disabled { opacity: 0.35; }
.tray-count {
  position: absolute; top: -4px; right: -4px;
  background: var(--accent); color: #1A1D1E;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  min-width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}

.text-btn {
  background: none; border: none; color: var(--text);
  font-family: var(--font-body); font-size: 15px; font-weight: 500;
  padding: 6px 4px;
}
.text-btn.accent { color: var(--accent); font-weight: 600; }

.shutter {
  width: 72px; height: 72px; border-radius: 50%;
  border: 3px solid var(--text);
  background: transparent;
  display: flex; align-items: center; justify-content: center;
}
.shutter span {
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--accent);
  transition: transform 0.15s ease;
}
.shutter:active span { transform: scale(0.82); }

.mode-toggle {
  display: flex; gap: 2px;
  background: rgba(36,40,42,0.85);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 3px;
}
.mode-opt {
  border: none; background: none; color: var(--muted);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.02em;
  padding: 7px 12px; border-radius: 16px;
}
.mode-opt.active { background: var(--accent); color: #1A1D1E; font-weight: 600; }

/* ---------- Start-Ansicht ---------- */
.start-wrap {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; padding: 76px 24px 24px;
  text-align: center;
}
.start-brand {
  font-family: var(--font-display); font-weight: 700; font-size: 40px;
  letter-spacing: 0.06em; margin-bottom: 4px;
}
.start-sub {
  font-family: var(--font-body); color: var(--muted); font-size: 14.5px;
  max-width: 280px; margin: 0 0 18px;
}
.start-btn {
  width: 100%; max-width: 320px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 18px; border-radius: 12px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  border: 1px solid var(--line);
}
.start-btn.primary { background: var(--accent); color: #1A1D1E; border: none; }
.start-btn.secondary { background: var(--surface); color: var(--text); }

.top-bar-actions { display: flex; gap: 10px; }

/* ---------- Einstellungen ---------- */
.settings-body {
  position: absolute; top: 64px; bottom: 0; left: 0; right: 0;
  overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 14px;
}
.settings-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.settings-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.settings-label {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.settings-value { font-size: 14px; font-weight: 500; text-align: right; }
.settings-actions-row { display: flex; justify-content: flex-end; gap: 20px; }
.danger-text { color: var(--danger); background: none; border: none; }

/* ---------- Ordner-Browser ---------- */
.folder-list {
  position: absolute; top: 64px; bottom: 0; left: 0; right: 0;
  overflow-y: auto;
}
.folder-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}
.folder-item.up { color: var(--muted); }
.folder-item .folder-icon { flex-shrink: 0; color: var(--accent); display: flex; }
.folder-empty, .folder-loading {
  padding: 28px 18px; color: var(--muted);
  font-family: var(--font-mono); font-size: 13px; text-align: center;
}

/* ---------- Kamera-Ansicht ---------- */
.cam-wrap { position: absolute; inset: 0; overflow: hidden; background: #000; }
#camVideo, #overlayCanvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#overlayCanvas { pointer-events: none; }

.cam-status {
  position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%);
  text-align: center; font-family: var(--font-mono); font-size: 13px; color: var(--muted);
}

/* Scan-Signature: Lichtbalken, der beim Auslösen über das Bild läuft */
.scanline {
  position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 16px 2px var(--accent);
  opacity: 0; pointer-events: none;
}
.scanline.sweep {
  opacity: 1;
  animation: sweep 0.55s cubic-bezier(.4,0,.2,1);
}
@keyframes sweep {
  from { top: 0; opacity: 1; }
  to   { top: 100%; opacity: 0; }
}

/* ---------- Zuschnitt ---------- */
.crop-wrap, .edit-wrap { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: #0d0f10; }
#cropCanvas, #editCanvas { max-width: 100%; max-height: 100%; touch-action: none; }

.edit-controls {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(26,29,30,0.92);
  border-top: 1px solid var(--line);
  padding: 14px 18px max(18px, env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 14px;
}
.slider-row { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.slider-row span { width: 78px; flex-shrink: 0; font-family: var(--font-mono); font-size: 11.5px; }
.slider-row input[type=range] {
  flex: 1; accent-color: var(--accent);
}

/* ---------- Dokumentenablage ---------- */
.tray-grid {
  position: absolute; top: 64px; bottom: 190px; left: 0; right: 0;
  overflow-y: auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  padding: 10px 16px;
}
.tray-item {
  position: relative; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
  aspect-ratio: 3/4;
}
.tray-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tray-item .page-no {
  position: absolute; bottom: 4px; left: 6px;
  font-family: var(--font-mono); font-size: 10px; color: var(--text);
  background: rgba(0,0,0,0.5); padding: 1px 5px; border-radius: 4px;
}
.tray-item .del-btn {
  position: absolute; top: 4px; right: 4px;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,0,0,0.55); color: var(--text); border: none;
  font-size: 13px; line-height: 1;
}

.tray-actions {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 14px 18px max(18px, env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px;
}
.doc-name-input {
  background: var(--surface-2); border: 1px solid var(--line);
  color: var(--text); border-radius: 8px; padding: 10px 12px;
  font-family: var(--font-body); font-size: 14px;
}
.primary-btn {
  background: var(--accent); color: #1A1D1E; border: none;
  border-radius: 8px; padding: 13px; font-weight: 700; font-size: 14.5px;
  font-family: var(--font-body);
}
.primary-btn:disabled { background: var(--surface-2); color: var(--muted); }
.upload-status { font-family: var(--font-mono); font-size: 12px; color: var(--muted); min-height: 16px; }
.upload-status.ok { color: var(--success); }
.upload-status.err { color: var(--danger); }

.drive-banner {
  position: fixed; left: 16px; right: 16px; bottom: max(16px, env(safe-area-inset-bottom));
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; z-index: 20;
}
.hidden { display: none !important; }